Snapchat, a social media company with a popular photo-messaging app, has taken a blow with a recent hack affecting 4.6 million users.

Snapchat has incorporated a phone number opt-out feature into its mobile app in response to a recent hacking incident -- the company's latest effort to convince users that their personal ...

An anonymous hacking group uploads the names and phone numbers of around 4.6 million Snapchat users to the internet in an attempt to highlight the photo-sharing app's lack of security.